GitHub user mgaido91 opened a pull request:
https://github.com/apache/spark/pull/19897
[SPARK-22694][SQL] Like and RLike should not use global variables
## What changes were proposed in this pull request?
Like and RLike are using a global variable which is not needed. This can
generate some unneeded entries in the constant pool.
The PR removes the unnecessary mutable states and makes them local
variables.
## How was this patch tested?
added UTs
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mgaido91/spark SPARK-22694
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19897.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #19897
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commit 3220df1a2102cfe8ba95bcbdd418c30350ab1e3c
Author: Marco Gaido <[email protected]>
Date: 2017-12-05T12:51:39Z
[SPARK-22694][SQL] Like and RLike should not use global variables
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